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FLUSH REDUCED HEAD BOLT

Part Number: NAS1581F4T6     Catalog Page Number: #12
NAS1581F4T6

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In Stock Part Number: NAS1581F4T6
Part (unpuctuated): NAS1581F4T6
Alternate Part Number:
NSN: 5305-01-056-3204
NIIN: 01-056-3204
FLUSH REDUCED HEAD BOLT

LENGTH: 0.778", THREAD: 1/4-28, SHEAR 100°, FLUSH REDUCED HEAD BOLT, ALLOY STEEL, OFFSET CRUCIFORM
  • 23,300 in Stock

  • Minimum Order: 50
Detail Characteristic
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.763 INCHES MINIMUM AND 0.793 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIALSTEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28
SPECIFICATION/STANDARD DATA80205-NAS1581 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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